RFR: 8370971: Problemlist jdkDoctypeBadcharsCheck.java and jdkCheckHtml.java

[Chen Liang]

These two tests are now failing in our CI in addition to jdkCheckLinks.

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Commit messages:
 - 8370971

Changes: https://git.openjdk.org/jdk/pull/28074/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28074&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370971
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/28074.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28074/head:pull/28074

PR: https://git.openjdk.org/jdk/pull/28074